ABAP Select data from SAP table JBIUSTAMM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP JBIUSTAMM table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to JBIUSTAMM. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the JBIUSTAMM table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_JBIUSTAMM TYPE STANDARD TABLE OF JBIUSTAMM,
      WA_JBIUSTAMM TYPE JBIUSTAMM,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <JBIUSTAMM> TYPE JBIUSTAMM.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_JBIUSTAMM.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM JBIUSTAMM
  INTO TABLE IT_JBIUSTAMM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM JBIUSTAMM
*  INTO TABLE @DATA(IT_JBIUSTAMM2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_JBIUSTAMM INDEX 1 INTO DATA(WA_JBIUSTAMM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_JBIUSTAMM ASSIGNING <JBIUSTAMM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<JBIUSTAMM>-BUKRS = 1.
<JBIUSTAMM>-RFHA = 1.
<JBIUSTAMM>-CRUSER = 1.
<JBIUSTAMM>-DCRDAT = 1.
<JBIUSTAMM>-TCRTIM = 1.

ENDLOOP.

LOOP AT IT_JBIUSTAMM INTO WA_JBIUSTAMM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_JBIUSTAMM-UPUSER, sy-vline,
  WA_JBIUSTAMM-DUPDAT, sy-vline,
  WA_JBIUSTAMM-TUPTIM, sy-vline,
  WA_JBIUSTAMM-RANTYP, sy-vline,
  WA_JBIUSTAMM-SANLF, sy-vline,
  WA_JBIUSTAMM-SFGTYP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_JBIUSTAMM you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_JBIUSTAMM TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_JBIUSTAMM INTO WA_JBIUSTAMM.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit ALPHA, internal->external for field RFHA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JBIUSTAMM-RFHA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JBIUSTAMM-RFHA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RGATT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JBIUSTAMM-RGATT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JBIUSTAMM-RGATT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KONTRH
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JBIUSTAMM-KONTRH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JBIUSTAMM-KONTRH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VRFHA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JBIUSTAMM-VRFHA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JBIUSTAMM-VRFHA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RANL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JBIUSTAMM-RANL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JBIUSTAMM-RANL.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_JBIUSTAMM_STR, 
BUKRS TYPE STRING,
RFHA TYPE STRING,
CRUSER TYPE STRING,
DCRDAT TYPE STRING,
TCRTIM TYPE STRING,
UPUSER TYPE STRING,
DUPDAT TYPE STRING,
TUPTIM TYPE STRING,
RANTYP TYPE STRING,
SANLF TYPE STRING,
SFGTYP TYPE STRING,
SGSART TYPE STRING,
SFHAART TYPE STRING,
RGATT TYPE STRING,
RFHAZUNR TYPE STRING,
RFHAZUL TYPE STRING,
KONTRH TYPE STRING,
EXTPARTNR TYPE STRING,
RDEALER TYPE STRING,
RREFKONT TYPE STRING,
GSPPART TYPE STRING,
NORDEXT TYPE STRING,
RPORTB TYPE STRING,
WGSCHFT TYPE STRING,
WGSCHFT1 TYPE STRING,
WGSCHFT2 TYPE STRING,
DBLFZ TYPE STRING,
OBJNR TYPE STRING,
RLDEPO TYPE STRING,
POSACC TYPE STRING,
DELFZ TYPE STRING,
ABWTYP TYPE STRING,
VRFHA TYPE STRING,
DVTRAB TYPE STRING,
TVTRAB TYPE STRING,
SAKTIV TYPE STRING,
RANL TYPE STRING,
ZUOND TYPE STRING,
REFER TYPE STRING,
MERKM TYPE STRING,
ZUONR TYPE STRING,
SKALID TYPE STRING,
SKALID2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_JBIUSTAMM_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_JBIUSTAMM_STR-BUKRS sy-vline 
WA_JBIUSTAMM_STR-RFHA sy-vline 
WA_JBIUSTAMM_STR-CRUSER sy-vline 
WA_JBIUSTAMM_STR-DCRDAT sy-vline 
WA_JBIUSTAMM_STR-TCRTIM sy-vline 
WA_JBIUSTAMM_STR-UPUSER sy-vline 
WA_JBIUSTAMM_STR-DUPDAT sy-vline 
WA_JBIUSTAMM_STR-TUPTIM sy-vline 
WA_JBIUSTAMM_STR-RANTYP sy-vline 
WA_JBIUSTAMM_STR-SANLF sy-vline 
WA_JBIUSTAMM_STR-SFGTYP sy-vline 
WA_JBIUSTAMM_STR-SGSART sy-vline 
WA_JBIUSTAMM_STR-SFHAART sy-vline 
WA_JBIUSTAMM_STR-RGATT sy-vline 
WA_JBIUSTAMM_STR-RFHAZUNR sy-vline 
WA_JBIUSTAMM_STR-RFHAZUL sy-vline 
WA_JBIUSTAMM_STR-KONTRH sy-vline 
WA_JBIUSTAMM_STR-EXTPARTNR sy-vline 
WA_JBIUSTAMM_STR-RDEALER sy-vline 
WA_JBIUSTAMM_STR-RREFKONT sy-vline 
WA_JBIUSTAMM_STR-GSPPART sy-vline 
WA_JBIUSTAMM_STR-NORDEXT sy-vline 
WA_JBIUSTAMM_STR-RPORTB sy-vline 
WA_JBIUSTAMM_STR-WGSCHFT sy-vline 
WA_JBIUSTAMM_STR-WGSCHFT1 sy-vline 
WA_JBIUSTAMM_STR-WGSCHFT2 sy-vline 
WA_JBIUSTAMM_STR-DBLFZ sy-vline 
WA_JBIUSTAMM_STR-OBJNR sy-vline 
WA_JBIUSTAMM_STR-RLDEPO sy-vline 
WA_JBIUSTAMM_STR-POSACC sy-vline 
WA_JBIUSTAMM_STR-DELFZ sy-vline 
WA_JBIUSTAMM_STR-ABWTYP sy-vline 
WA_JBIUSTAMM_STR-VRFHA sy-vline 
WA_JBIUSTAMM_STR-DVTRAB sy-vline 
WA_JBIUSTAMM_STR-TVTRAB sy-vline 
WA_JBIUSTAMM_STR-SAKTIV sy-vline 
WA_JBIUSTAMM_STR-RANL sy-vline 
WA_JBIUSTAMM_STR-ZUOND sy-vline 
WA_JBIUSTAMM_STR-REFER sy-vline 
WA_JBIUSTAMM_STR-MERKM sy-vline 
WA_JBIUSTAMM_STR-ZUONR sy-vline 
WA_JBIUSTAMM_STR-SKALID sy-vline 
WA_JBIUSTAMM_STR-SKALID2 sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.